Hi Frank,Thanks for the reply and for the confirmation that I'm on the right track.
Dumb newbie question: wouldn't most aerial photos taken, say, from 12,000ft be ortho in their projection?
Cheers, -C _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev